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Command
History
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced
Usage
Information
This feature is advertised to BGP neighbors through a capability advertisement. In Receiver Only mode,
BGP saves the advertised routes of peers that support this capability when they restart.
bgp log-neighbor-changes
Enable logging of BGP neighbor resets.
C-Series, E-Series
Syntax
bgp log-neighbor-changes
To disable logging, use the no bgp log-neighbor-changes command.
Defaults Enabled.
Command Modes ROUTER BGP
Command
History
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced
Usage
Information
The bgp log-neighbor-changes command appears in the show config command output.
Related
Commands
show config – views the current configuration.
bgp non-deterministic-med
Compare MEDs of paths from different autonomous systems.
C-Series, E-Series
Syntax
bgp non-deterministic-med
To return to the default, use the no bgp non-deterministic-med command.
Defaults Disabled (that is, paths/routes for the same destination but from different ASs do not have their MEDs
compared).
Command Modes ROUTER BGP
Command
History
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced
Usage
Information
In non-deterministic mode, paths are compared in the order in which they arrive. This method can lead
to FTOS choosing different best paths from a set of paths, depending on the order in which they are
received from the neighbors because MED may or may not get compared between adjacent paths. In
Deterministic mode (no bgp non-deterministic-med), FTOS compares MED between adjacent
paths within an AS group because all paths in the AS group are from the same AS.
When you change the path selection from deterministic to non-deterministic, the path selection for
existing paths remains deterministic until you enter the clear ip bgp command to clear existing paths.
Border Gateway Protocol 431